礦用重型汽車司機(jī)高級(jí)單項(xiàng)選擇題每日一練(2019.01.20)

A.常流式全時(shí)間動(dòng)力轉(zhuǎn)向
B.常壓式全時(shí)間動(dòng)力轉(zhuǎn)向
C.兩者都有
D.都不對(duì)

A.30°
B.60°
C.45°
D.15°

A.油位過低
B.油起泡沬
C.主油壓過低
D.熱交換器泄漏

A.儲(chǔ)能器預(yù)充壓力不夠
B.制動(dòng)油路泄放
C.踏板單向閥壞
D.制動(dòng)氣壓高

A.輸油泵
B.化油器
C.噴油泵
D.燃燒室